Threshold



Oct. 6, 1931.

F. c; GARRISON THRESHOLD Filed April 23, 1930 2 Sheets-Sheet l gwz . lnUeTflZFr Erresf C. garrison.

Oct. 6, 1931. c GARRlSCN 1,826,613

THRESHOLD Filed April 25, 1950 2 Sheets-Sheet 2 l rrsf Garrison.

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Patented Oct. 6, 1931 dseasapsw c; i carna e, nn ngs, ass stan pecan c. R'I S'ON 00., pa

' sarong-3o, ILLINOIS, aoonronAr olv or ILLINOIS T'SB H I V Application filed A ril 23,

Y j The invention relates in general to threshlolds and more particularly to a metal thresh- Vold for a door, gateiorcthe like; Such a door may have audioo'r checkanounted in thefioior.

35 The :general object ofthe invention is; to

provide tr new and impnoved threshold composed ofinterfitting standard forms. and sizes 1 '{ofparts whichrmay :beadapte'd :to fit any size of; aeemnd'doea check, if the latter be ,em-

ployied". I

. Anotherobjectis toprovide such a threshroldvwhi chzvproilidsueasyaccess to the door check without .dism'ounting thedoorso that the door che clramay-headjusted. t c

J A further.object istoprotide such a thresh- ZlOldiWhlClZldIlflsY be easilylapplied for all sizes aot'idoors wliichlpresents .aneat and uniform appearance, andwhose surfaces :prevent slip- -:.1n 2 P Ol ther objects and advantages of theinyenarm will heconie apparent from the following V detaileddescription'taken in connection with .-the accompanying drawings, in which ,flf Flglll 1 isawplan view of ,a threshold embodying the featuresfof invention.

Fig. .2 is an enlarged plan view .of' the .portion ofthethresholdicovering the door check. ,L 'lF-ig. :3 is a longitudinal vertical section taken along-the :line 3-3 of Fig. 2 and showingh-the zrelation :OEE the threshold to :the door ianddoor ychedk. H v l: Fig. -t is atransversevertical section :taken along the line-H ofiEig. 2.

Fig; 5 Lisa plan wi'ewrof a modified ifiorin gocfithres'holdQ e I i Fig. 6 is a transverse vertical section tak'en I JFig. Tisa :fragmentalplan-viewof a modification ot a portion of,-the threshold;shown ain.rEig.;2. ,Figzfi giszaverticalcross section ofthenarrow portion "of the 'ithreshlold, showing {the 'mfinslfor attaching it to the'fl'oor.

"Elfin 9---is Ia --verticfal cross-section of the thresholdishowingthe :means ;for support ng I :the threshold when;, the, floors on opposite sidsbfithe doorway have different levels,

- Whilethe:in en ionis: susceptibleof variousi rngdifications fandjalternative construc- 50 itions'glihaveshown.in'stheidrawingsand wi l 1930-. Serial No. 446,435;

herein describe in detail the preferred embodiment, but it'is to be understood that I doznot thereby intend toli'mit the invention to'the specific form disclosed, but intend to cover all modifications and alternative constructions falling Within the spirit and scope of the invention as expressed in the appended isastrip of arched croSs-section WhdseQdges are beveled bit from the top surface and in which grooves or ribs :are formed inlthe-top and beveled surfaces which are symmetrically spaced apart laterally of the strip. j Such a strip may :be formed in varying lengths'but ofa uniform cross-section throughout 'its length by any well-known process such as extrusion. I Strips having the shape mentionedabove are made in several widths for use with varioussizes of doors and also for purposes later to be (described. Butin all :the widths, all, dimensions aresthe same, except for th'e'width,

and, by virtue of this fact, the grooves or ribs and beveled edges, of pieces of different widths match wvhen the pieces are placed .together. Other standard. shapes are used in conjunction with the shapes above mentioned,

whose forms and method of use Will-later be described.

As shown in thedrawings, a threshold extending across adoorwayris fitted on each end around the door jarnbs 10'; Adoor 11 is supported on a bracket -12 which extends from the spindle 13 of a doorchecli 14 mount- .ed in the sfloor adjacent one 3' 211111) and beneath the doom While the'invention hasabeenillustrated in connection with a door supportedby A a door check mounted inthe-floor itisunden stood that the invention is not limited to a door so supportedbut maybe used inconnection with doors supported by other means.

d i I Thepre'sent embodiment of the invention comprises a main seetin20 extending from a point adjacent .thevouter'edge of the door check 14 to theoppositedoor jarnb l0. The

".nal side edges; Flat-bottomed grooves 21 V skid character ito t prevent V slipping; grooves adjacent the corners between the bevarejformed in both the" top and beveled sur- ,faces 7 at uniformly spaced positions. sides ofthe grooves 21 are tapered outwardly so that in cleaning any accumulation-of dirt v ;end,;the grooves an'd onebeveled edge of one may be easily removed'nand they form sharp corners with the top surface giving it a noi- -eled and'topj surfaces are spaced a substantial I Where-thegreatest wear-occurs. i

'Themainsection 291s attached to the floor distance fromsaid corner so that a maximum amountfof'metal isprovided" at these corners fby any known means, such as screws 2215b f a concrete lfloor' inwhich ;as the screws 22 are threaded into ;a-' co-ncrete' anchor 23' of ting in -count'ersunk holes at spaced points alongthe center line of'th'e' main section. In Fig. 8,-the main sectionlis'shown attached to knownf iormi I In; the ease o f i'wood ffloors,

ji wood screws-would be employed; f Along its fcenter line, the-main section is supportedby a rectangular strip 24 whose heightis equal V to the depth of the-archof th'emain section a'ndi' which T has holes l registering with the sorew holes;in"'themain section." The sup-- porting strip 24 reinforces the Inain :section iand pr'events it fr-oln'springing when a persons weight" is put upon it, and hencel presection and "maybe attached to as bybrazing orsoldering.

ven'tsloosening of the screws 22 by intermit- V tentireleasinggof theitension thereon; The

strip 24 mav be coextensive with.- thefin'ain the p ece i In Fig-g1; the main section is shown-as havvLinga'a width which extends transversely'be- ..yondzthe' edgeof theileft hand jarnb 10. To

' finish offthetransversely extending portion 7. "-ofiithe'fiend, als'hort piece of edging 25 is cut.

" from az-standard strip which has' a crossrsec new form; and external appearance conspending tothe beveled edge portioniof the I e st ip from which the main section'is cut, but having, in add1t1on,a s1nall flangeQG adapted.

:1 to: extend under the" main section for attach- :ing-thereto as by bra zing or soldering; The

strip, from whichflthelpiece of edging 25iis 1 cut,is-: also grooved similarly to the beveled portion ofthe main-section .so' that, when the r edging 25 is initered tot-he Inain section, the

grooves"match-t appearance ip'resent a neat andtuniforni coViT-th' door check 14,} a piece iscut 'fronn one *of the standard arched 'se'ctions which may 'havethfe same width as the main SeCt1OI1 OI may'have a greater width dependcovered.

The

- Thus :check: I

ing upon the width of thei door checkto he As shown in Figs. 1 to 41 inclusive, a second section or'plate30 is formed from a piece of strip of arched section having a width greater than the main.-section. the dilnensions, 7 other than the width of the wider strip in- ,cluding the spacing andsize' of grooves and beveled edges ar-elthe same as those oif the "main section, except that "on, account ofthe' width, therearea greater number of grooves;

Thus; when pieces from two widths of these standard arched'sections are placed end to piece match, or form continuations of, those oftheotherpiece. 11

- To finish Toff-A the porti'on of theiend of the second section '30; whiehaxext ends" laterally beyond the main" section? 20 1a piece-3a: .cut 1 from the same standard form of beveledfedging which the pieee aeisrimsem s initered to fit between the't'bevelediedges of the main and second? sections}; Thexunderlying flange, shown. at 34:,"is cutt to wextendcbeneath the major portion ofthei-wi'dtl ,1 01'}? the plate 30 1,; and to be attachedthereto, a-sibyb'razing; soldering; screws, rivets tor-. thellike, in order to provide 'glll'lpl'fi support foriitheapiece 38,

while the plain top portion of the 'beyel'ed edging, as shownat 34 extends substantiah ly across the':end ofthesecond-section to in crease the strength ofthe attachment ithereto. The" end oi? the n1ain'sectionisalso HIltered "on lines converging towardi'thesse'cond section to-fit neatly therewith;

- On'theend of thesecond 'section',adjacent the door janib; 10, agp'iece 35', .cut'itr'om the,

same standard forn'i asthepieces 25 and33, is'miteredtofinish off t'heexposed end; The piece 35 is detac11ably.attached to the'second section as by a screw 36*softha't-thejsecond section :inay be removed from "over the door check, without: taking-j downi the 1 door 11,

:m'er'ely byremoving. the l'scfrew-s 1' 32 and" 36.

easy access is 'providedhtothedoor n will be seen thatthe-thresholdjustdescribedcomprises twOpieces cutlfror'n the standard arched stock, namely, the main sec"- t1on20 and the second section '30,iand three i pieces cut from the: standard beveled" stock,

namely, thepieces' 25,33and 35.

In. Figsldand '6} a fo'rmof thresholdis shown which-is used when theplate necessary to cover'the door checkl l iswiden than any of the st'anda-rd arched sections? 'In this form; p-late lO is forlned oi of the required thickness and-is 'reinovably attached to the door check as by screws 41; The 'plate 40 supported-by tem er-36s cut fromi a strip of-the' standard bevel'ed: edging stock,

which are mitered to each other. and to the main section 20,- the grooves inthe pieces 42 forming c'ontinuations of -the l grooves in the check, the "screws-41h are removed. and the plate :40 may helitted out: without taking down-the-door. g Figi Tillus'tratesia form of meeting betweenthe main section 20-and the second seceas tion'30 which is a'niodification of the form shov'vn in Figs. 1 and2. 'In Fig.7, a piece 44 of the beveled edging stock is mitered to lit with themitered-a'nd beveled ledges of the -mainand second 1 sections, but its underlying "flange a5' does not extend across the entire width of the secondsec'tion, so that the main and second sect-ions V are in direct; abutment alongastraightlinex j a Itsometilnes happens that the floors on :opposite sides of i adoorway. have difierent levels; "Unless-provisions were made for this,

thethreshold would have aslantingposition which would presentan unsightly appearance; InF-ig. 9,1a-.means is illustrated to i-overco'me this diificu'lty, which means com prises a-levellingmembertficut-from a strip having ithe-i cross-sectioni illustrated. I The member 4:6 has a notchin itsruppersurface in'which the foot of the arched section of the main section fits; Its outer surface is rounded off to c'on'forinto the surfaceo f theheveled It will be seen :tha't-a complete any desired diinensionto conform to difieren'twidths and thicknesses of doors and to different sizes of door checks,'can be'quickly 'and conveniently madeup froma fejwstandedge ofthe'main sectionr threshold of a rd piecesof stock, so thati'it is not necessary for axmanufa'cturerto carry a large variety of shapes andsizes -tolconform to all cases .met in practice. g I

= I n isalso evident mats threshold mad in accordance with this' inventi'on may be easily a ;1 e1 aim as my invention:

applied, and. resents a neat and'uniform appearance.

1; Azthreshold for a swinging door which is etpi-ipped. with a door. check mounted in a recess in the floor beneath the thresholdcomprising, in combination; a main section econsisting of an integr'alg-strip ofmetal, arch shaped in cross section, having a flat top iace and beveled longitudinal side edges, said strip having. formed in its outerface a series of grooves orribs symmetrically spaced apartlaterally of said stripiand extending longia tudinally throughout the length thereof, a

second section'short'er thansaid main section and overlying the door check and constituting a'cover therefor,1sa1d second section compris ing stock shaped to match in external appearance the beveled edge portions of said strip ing an integralplate of cross sectional shape c'orrespondingto but of greater width than said mainsection, said'second section having formed in. its outer face longitudinally extending grooves or ribsspaced to match thosein the mainxsectiom'the two'sections being arrangedtin end to end abutting relation with their beveled edges at one side of the threshold in alineinent,ithe opposite side edge of the second section thus projecting laterally be yond the adjacent side edge ofthe main section, the corners of both sections at their abutting -ends being mitered on lines converging toward the second section, and a piece of edgand plate, said piece being located along the end portion of the second section which projectslaterally beyond the main section and said piece bein mitered at its ends to COIH-J, plement I and interfit with the aforesaid miter-ed corners of said strip andplate 2. A threshold for aswingingldoor which *is equipped with a door check: mounted in a recess in the floor beneath the thresholdcomprising, in combination, a main section, archshapcd in cross section, having beveled longi-- tudinal side edges, said section having formed in its beveled edges a series of grooves or ribs symmetrically spacedv apart laterally of said 1 strip. and extending longitudinally throughout the length thereof, a second section overf lying'the door check and constituting a cover therefor, said second section: comprising an integral plate of cross sectional shape vcorresponding to'but of greater 'widththan said main section, said second section having formed in its beveled edges, longitudinally extending groovesor ribs spaced to match those in the main section, the two sections 11 being arranged in end to end abutting relation withtheirbeveled edges at one side of the threshold in alinement, the opposite side of the second section thus projecting laterally vbieyond the adjacent side edge of the 1 0 mainsection, the abutting ends of both sections being mitered together, and a piece of edging stock shaped tomatch in external appearances the beveled edge portions of said sections and having corresponding grooves orribs, said piecebeijng located along the end portion of the second section which projects laterally beyondthe main section and said piece being mitered to'interfit with said strip n p a e-'1 3. Athreshold for. a swinging door; which is equipped with a door check mounted in the floor beneath the threshold comprising pieces cut from three forms of stock, twoiof said forms beingarch shaped in [cross section and 125 having beveledlongitudinal side edges, one of said two forms being wider than the other, and the third of said forms beingshaped to match in external appearance the beveled edges of said first two forms, said pieces com- 1'0 the :two'floors whereby said section is held in a level position. I I 11. A threshold for a swinging door which is equipped with adoor check mounted in a recess in the floor beneath thethreshold comprising, in combination, a main section con- 'slsting of a str1pj.of metal, arch shaped 1n cross section, having a flat top face and bev- .eled longitudinal edges, a second section overlying the door check and constituting a cover therefor, said second section comprising a :plate of cross-sectional shape corresponding t'o'butof greater width than said main section, the two sections being arranged in an,

end to end relation with their beveled edges atone sideof the threshold in alinement, the opposite side edge of the'second section thus projecting laterally beyond the adjacent side edge of the main section, and a'piece of edging stock located along the end portion of the second section which projects laterally beyond the main sectionand having a flange underlying the second section, saidpiece of I edging stock havingits ends mitered to fit v with the adjacent said sections; U i e 7 g D In testimony whereof, I have hereunto beveled edge portions of afiixed my signature.

FoRREsro. GARRISON. 

